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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
R is already supported
The only thing I'd love to see is R kata.
Indeed, but this is SQL only kata, so it shows that you can done some think on the database level.
Uhm, no?
Maybe you should go look at PostgreSQL documentations ;-)
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